Highest salary at Ontario in year 2011 was $136,700. Number of employees at Ontario in year 2011 was 1,166. Average annual salary was $46,454 and median salary was $46,247. Ontario average salary is 1 percent lower than USA average and median salary is 6 percent higher than USA median salary. From 2010 to 2011, the average salary of employees at this employer increased 4.0 percent, the median salary increased 3.7 percent.